The Marine Corps Times in a story Sunday detailed the report of the probe into the Jan. 23 accident near the Twentynine Palms base that killed the pilot, Maj. The UH-1Y Venom helicopter plummeted within about 400 hundreds of yards of the intended landing site, according to the report. Investigators cited numerous missteps, including an improperly installed filter cover three days before the crash that allowed the transmission to dump its oil during the flight. At the time, Kealey was a captain and Satterfield a first lieutenant assigned to Marine Light Attack Squadron 169. SAN DIEGO (AP) – An improperly installed filter cap contributed to a Marine Corps helicopter crash at a California base that killed the Marine pilot and her co-pilot after the transmission seized, but authorities stopped short of say there was any wrongdoing, according to a report by military investigators.

Wing commander Maj. Gen. Michael Rocco says in a statement released by Marine Corps Air Station Miramar: “Our hearts go out to the families and friends of the two Marines we lost in this tragic accident.”

Kealey, 32, of Indiana, Pennsylvania, was commissioned in 2005 and had earned several awards and medals. She was deployed once in Afghanistan. Satterfield, 25, of Oldham, Kentucky, was commissioned in 2011 and supported training operations in Southern California.

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Two Marines died when their helicopter crashed during training in Southern California. The Third Marine Aircraft Wing chopper had just the two onboard when it crashed late Friday afternoon at the base in Twentynine Palms. The cause of the crash is under investigation. Check back for more information as it becomes available.